has material basis in germline mutation in NEK9 melanocytic nevus nevus comedonicus syndrome https://github.com/monarch-initiative/mondo/issues/4521 https://github.com/monarch-initiative/mondo/issues/6877 https://www.malacards.org/card/nevus_comedonicus Orphanet:64754 SCTID:35962006 NC acne Nevus MEDGEN:75592 comedo Nevus acneiform Nevus GARD:0013073 pilosebaceous nevoid disorder Nevus comedonicus NCIT:C3946 A rare developmental skin condition consisting of abnormal pilosebaceous follicle development. It is characterized by linear or band-like distributions of groups of comedones, usually on the face, neck, upper arm, chest, and abdomen, that appear at birth or in childhood. UMLS:C0265987 OMIM:617025 nevus comedonicus, somatic MONDO:0014873 hereditary skin disorder